On 5/7/25 12:30, yohan.joung wrote:
> In LFS mode, the previous segment cannot use invalid blocks,
> so the remaining blocks from the next_blkoff of the current segment
> to the end of the section are calculated.
>
> Signed-off-by: yohan.joung <[email protected]>
> ---
> fs/f2fs/segment.h | 23 +++++++++++++++++++----
> 1 file changed, 19 insertions(+), 4 deletions(-)
>
> diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
> index 03c0f59be5a8..f5d30f32ebdb 100644
> --- a/fs/f2fs/segment.h
> +++ b/fs/f2fs/segment.h
> @@ -102,6 +102,8 @@ static inline void sanity_check_seg_type(struct
> f2fs_sb_info *sbi,
> #define CAP_SEGS_PER_SEC(sbi) \
> (SEGS_PER_SEC(sbi) - \
> BLKS_TO_SEGS(sbi, (sbi)->unusable_blocks_per_sec))
> +#define GET_START_SEG_FROM_SEC(sbi, segno) \
> + (rounddown(segno, SEGS_PER_SEC(sbi)))
> #define GET_SEC_FROM_SEG(sbi, segno) \
> (((segno) == -1) ? -1 : (segno) / SEGS_PER_SEC(sbi))
> #define GET_SEG_FROM_SEC(sbi, secno) \
> @@ -582,8 +584,14 @@ static inline bool has_curseg_enough_space(struct
> f2fs_sb_info *sbi,
> if (unlikely(segno == NULL_SEGNO))
> return false;
>
> - left_blocks = CAP_BLKS_PER_SEC(sbi) -
> - get_ckpt_valid_blocks(sbi, segno, true);
> + if (f2fs_lfs_mode(sbi) && __is_large_section(sbi)) {
> + left_blocks = CAP_BLKS_PER_SEC(sbi) -
> + (segno - GET_START_SEG_FROM_SEC(sbi, segno)) *
> BLKS_PER_SEG(sbi) -
SEGS_TO_BLKS(sbi, (segno - GET_START_SEG_FROM_SEC(sbi, segno))) ?
> + CURSEG_I(sbi, i)->next_blkoff;
> + } else {
> + left_blocks = CAP_BLKS_PER_SEC(sbi) -
> + get_ckpt_valid_blocks(sbi, segno, true);
> + }
>
> blocks = i <= CURSEG_COLD_DATA ? data_blocks : node_blocks;
> if (blocks > left_blocks)
> @@ -596,8 +604,15 @@ static inline bool has_curseg_enough_space(struct
> f2fs_sb_info *sbi,
> if (unlikely(segno == NULL_SEGNO))
> return false;
>
> - left_blocks = CAP_BLKS_PER_SEC(sbi) -
> - get_ckpt_valid_blocks(sbi, segno, true);
> + if (f2fs_lfs_mode(sbi) && __is_large_section(sbi)) {
> + left_blocks = CAP_BLKS_PER_SEC(sbi) -
> + (segno - GET_START_SEG_FROM_SEC(sbi, segno)) *
> BLKS_PER_SEG(sbi) -
Ditto,
> + CURSEG_I(sbi, CURSEG_HOT_DATA)->next_blkoff;
> + } else {
> + left_blocks = CAP_BLKS_PER_SEC(sbi) -
> + get_ckpt_valid_blocks(sbi, segno, true);
> + }
> +
> if (dent_blocks > left_blocks)
> return false;
> return true;
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